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4-(benzyloxy)-3-{[(benzyloxy)carbonyl]amino}-4-oxobutanoic anhydride is a complex organic compound with the molecular formula C22H21N2O7. It is a derivative of butanoic anhydride, featuring a benzyloxy group at the 4-position, an amino group at the 3-position with a benzyloxycarbonyl protecting group, and a 4-oxo group. 4-(benzyloxy)-3-{[(benzyloxy)carbonyl]amino}-4-oxobutanoic anhydride (non-preferred name) is often used in organic synthesis, particularly in the preparation of peptides and other biologically active molecules, due to its ability to protect amino groups during chemical reactions. The anhydride structure allows for the formation of esters with carboxylic acids, which is crucial in the synthesis of various pharmaceuticals and natural products.

7621-84-3

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7621-84-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7621-84-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,2 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 7621-84:
(6*7)+(5*6)+(4*2)+(3*1)+(2*8)+(1*4)=103
103 % 10 = 3
So 7621-84-3 is a valid CAS Registry Number.

7621-84-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-O-benzyl 4-O-[4-oxo-4-phenylmethoxy-3-(phenylmethoxycarbonylamino)butanoyl] 2-(phenylmethoxycarbonylamino)butanedioate

1.2 Other means of identification

Product number -
Other names O1-benzyl-N-benzyloxycarbonyl-L-aspartic acid-anhydride

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:7621-84-3 SDS

7621-84-3Downstream Products

7621-84-3Relevant academic research and scientific papers

Synthesis of an asparagine-linked core pentasaccharide by means of simultaneous inversion reactions

Matsuo, Ichiro,Isomura, Megumi,Ajisaka, Katsumi

, p. 841 - 850 (2007/10/03)

A novel route for the synthesis of the asparagine-linked pentasaccharide 1, the core unit of all asparagine-linked sugar chains, is described. To construct this pentasaccharide derivative, we first employed a regioselective coupling of a mannosyl donor to

p-Methoxybenzylidene-tethered β-mannosylation for stereoselective synthesis of asparagine-linked glycan chains

Dan, Akihito,Lergenmu?ller, Matthias,Amano, Masayuki,Nakahara, Yoshiaki,Ogawa, Tomoya,Ito, Yukishige

, p. 2182 - 2190 (2007/10/03)

One of the main obstacles in the chemical synthesis of Asn-linked glycoprotein oligosaccharides has been the formation of β-manno glycoside linked to the 4 position of N-acetylglucosamine. Addressing this fundamental problem, we previously developed the u

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